Perhaps you should try some spelling variations:
sach thue » sach thu, sach thieu, sach tham
thue nang » thien nang, thuat nang, thi nang
hieu vien » hieu hien, hieu viec, thieu nien
vien cac » vien bach, vien dai, vien da
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
nang xa » nang x, lang xa, nang ma
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
vai cua » dai cua, hai cua, bai cua
lai cua » dai cua, hai cua, lai chau

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