Perhaps you should try some spelling variations:
hieu quan » lieu quan, thien quan, lien quan
truc van » truc va, thuc van, truc ban
hai truc » dai truc, hai trac, hang truc
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
van anh » van thanh, tuan anh, van minh
su sac » su sach, su cac, su xac
vi cua » vai cua, di cua
anh vi » hanh vi, anh va, anh ve
sac ky » cac ky, sai ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky ((nang xa) or (nang ma)) hoi. ((hieu quan) or (hieu qua)) hai truc van anh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky ((nang xa) OR (nang ma)) hoi. ((hieu quan) OR (hieu qua)) hai truc van anh vi cua te.
• Adding a wildcard symbol may retrieve word variants: su sac ky ((nang xa) or (nang ma)) hoi. ((hieu quan) or (hieu qua)) hai truc van anh vi cua te*.