Perhaps you should try some spelling variations:
thuc van » thuc vat, thuc dan, thuc va
cam thuc » am thuc, nam thuc, cam thu
van anh » van thanh, tuan anh, van minh
hieu ve » hieu va, hieu van
su sach » so sach, vu sach
vu nang » vuc nang, va nang, vu dang
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam
vi su » ve su, ki su, oi su

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((y nang) or (vu nang)) ma hoi. hieu ve cam thuc van anh ((vi su) or (va su)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((y nang) OR (vu nang)) ma hoi. hieu ve cam thuc van anh ((vi su) OR (va su)) triet.
• Adding a wildcard symbol may retrieve word variants: su sach ((y nang) or (vu nang)) ma hoi. hieu ve cam thuc van anh ((vi su) or (va su)) triet*.