Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
nang xa » nang x, lang xa, nang ma
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
tuc va » thuc va, truc va, tuc xa
va dau » va dao
vi su » ve su, ki su, oi su
kien* » bien*, vien*, tien*

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky nang xa hoi. hieu vu cham tuc va dau ((vi su) OR (va su)) kien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky nang xa hoi. hieu vu cham tuc va dau ((vi su) OR (va su)) kien*".