Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
manh hanh » xanh hanh, danh thanh, minh thanh
thai cua » than cua, tai cuc, tri cua
duc manh » suc manh, duc anh, duc minh
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac dac
cua tre » cua te, cuu tre, cua triet
nang ra » nang ma, lang ra, nang ro
tu sach » thu sach, su sach, te sach
ra lai » ra glai, ru lai, va lai
ve cac » va cac, vien cac
tu san » thu san, tu ban, tu can
tu sac » tu cac, tu bac, tu lac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((((tu sac) OR (tu sach))) or (tu san)) ky nang ra lai. hieu ve cac duc manh hanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sac) OR (tu sach))) OR (tu san)) ky nang ra lai. hieu ve cac duc manh hanh thai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((tu sac) OR (tu sach))) or (tu san)) ky nang ra lai. hieu ve cac duc manh hanh thai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((((tu sac) OR (tu sach))) or (tu san)) ky nang ra lai. hieu ve cac duc manh hanh thai cua tre*.