Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
van hanh » van thanh, ban hanh, van anh
hanh doi » thanh doi, hanh noi, hang doi
te sach » toc sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
nang ma » tang ma, sang ma, nang cao
cac xuc » cac nuoc, chat xuc, cac cuoc
doi cua » dai cua, hoi cua
ma hoi » mai hoi, xa hoi, ma hoa
cua cu » cua chu, cua cau, cua su

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

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