Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, lieu vien
nang cau » nang cao, nang dau, bang cau
hang cau » hang dau, hang ca, nhung cau
vien cac » vien bach, vien dai, vien da
so sanh » do sanh
sanh ky » hanh ky, sang ky, nganh ky
cac xuc » cam xuc, cac nuoc, chat xuc
xuc cac » xuc tac, tuc cac, xuc cam
dan gia » danh gia, dan giai, dan giao
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: so sanh ky ((nang cau) or (hang cau)) hoi. hieu vien cac xuc cac ((dan gian) or (dan gia)) cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ky ((nang cau) OR (hang cau)) hoi. hieu vien cac xuc cac ((dan gian) OR (dan gia)) cua cu.
• Adding a wildcard symbol may retrieve word variants: so sanh ky ((nang cau) or (hang cau)) hoi. hieu vien cac xuc cac ((dan gian) or (dan gia)) cua cu*.