Perhaps you should try some spelling variations:
manh hanh » xanh hanh, danh thanh, minh thanh
thu sach » tu sach, thuat sach, thuoc sach
hanh tai » thanh tai, hang tai, han tai
xuc manh » suc manh, duc manh, duc minh
tu nang » tru nang, tu nong, tu nano
nang xa » nang x, lang xa, nang ma
cua tre » cuu tre, cua triet, dua tren
sach tu » sach thu, cach tu, sach ty
ve cac » va cac, vien cac
ve cau » ke cau, va cau, le cau
cua te » cua tu

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

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