Perhaps you should try some spelling variations:
sach thi » sach thu, sach tai, sach thieu
thi nang » thi cong, ki nang, thi hanh
ban hang » ngan hang
te sach » toc sach
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
cua chu » sua chua
ve cac » va cac, vien cac
cua cu » cua cau, cua su, cua co

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 thi nang xa hoi. hieu ve cac xuc ((ban hanh) OR (ban hang)) vai ((cua cu) or (cua chu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thi nang xa hoi. hieu ve cac xuc ((ban hanh) OR (ban hang)) vai ((cua cu) OR (cua chu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thi nang xa hoi. hieu ve cac xuc ((ban hanh) OR (ban hang)) vai ((cua cu) or (cua chu))".
• Adding a wildcard symbol may retrieve word variants: te sach thi nang xa hoi. hieu ve cac xuc ((ban hanh) OR (ban hang)) vai ((cua cu) or (cua chu))*.