Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
thi nang » thi cong, ki nang, thi hanh
hieu va » lieu va, hieu qua
tai cua » thai cua, tai cuc, tri cua
va hanh » van hanh, va thanh, va danh
cam tuc » cam xuc, cam tu, nam thuc
te sach » toc sach
nang xa » nang x, lang xa, nang ma
bo sach » co sach, hoc sach
su sach » so sach, vu sach
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
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: ((((te sach) or (su sach))) or (bo sach)) thi nang xa hoi. hieu va cam tuc va hanh tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((te sach) OR (su sach))) OR (bo sach)) thi nang xa hoi. hieu va cam tuc va hanh tai cua te.
• Adding a wildcard symbol may retrieve word variants: ((((te sach) or (su sach))) or (bo sach)) thi nang xa hoi. hieu va cam tuc va hanh tai cua te*.