Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
so sach » so sanh, bo sach, co sach
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
di cua » dai cua, doi cua, de cua
vi cua » vai cua
so sac » so dac
tuc va » thuc va, truc va, tuc xa
ve cam » ve cham, ve cac, va cam
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sac) OR (so sach)) ky nang x hoi. hieu ve cam tuc va thanh ((vi cua) or (di cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sac) OR (so sach)) ky nang x hoi. hieu ve cam tuc va thanh ((vi cua) OR (di cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sac) OR (so sach)) ky nang x hoi. hieu ve cam tuc va thanh ((vi cua) or (di cua)) tre*".