Perhaps you should try some spelling variations:
tan thanh » tran thanh, tang thanh, toan thanh
cham duc » pham duc, pham duy, phan duc
thanh ve » hanh ve, thanh va, thanh vien
vu sach » vu bach, su sach, vu khach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
ve cua » le cua, de cua, te cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ty nang xa hoi. hieu va ((cham duc) OR (cham soc)) tan thanh ve cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ty nang xa hoi. hieu va ((cham duc) OR (cham soc)) tan thanh ve cua tre".
• Adding a wildcard symbol may retrieve word variants: vu sach ty nang xa hoi. hieu va ((cham duc) OR (cham soc)) tan thanh ve cua tre*.