Perhaps you should try some spelling variations:
sach thi » sach thu, sach tai, sach thieu
thi nang » thi cong, ki nang, thi hanh
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
van hang » van khang, van hoang, van thang
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac xuc » cam xuc, chat xuc, cac cuoc
hang vi » hang va, hanh vi, hang di
vi cua » vai cua, di cua
cua cu » cua chu, cua cau, cua su

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) or (cac nuoc)) van hang vi cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thi nang xa hoi. hieu ve ((cac xuc) OR (cac nuoc)) van hang vi cua cu.
• Adding a wildcard symbol may retrieve word variants: te sach thi nang xa hoi. hieu ve ((cac xuc) or (cac nuoc)) van hang vi cua cu*.