Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh vai » hanh vi, hanh va, hanh tai
van cam » van nam, van lam, van cau
vai cua » dai cua, hai cua, lai cua
tu sach » thu sach, su sach, te sach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
tuc va » thuc va, truc va, tuc xa
tu sac » tu cac, tu san, tu bac
luc va » duc va, loc va
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) OR (tu sach)) ky lang xa hoi. hieu van cam ((luc va) or (tuc va)) hanh vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu sach)) ky lang xa hoi. hieu van cam ((luc va) OR (tuc va)) hanh vai cua tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) OR (tu sach)) ky lang xa hoi. hieu van cam ((luc va) or (tuc va)) hanh vai cua tu*".