Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh van
hieu sau » hieu su, hieu suat, tieu su
hanh tai » thanh tai, hang tai, han tai
tang dai » tang tai, tang dan, lang dai
ky tang » ky nang, ky dang, kho tang
dai moi » doi moi, dai hoi
sau cam » sau lam, cau cham, sau chan
cua tu » cua tuc, cua su, cua cu
tuc va » thuc va, truc va, tuc xa
xuc va » duc va, luc va, xac va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky tang dai moi. hieu sau cam ((xuc va) or (tuc va)) ((hanh vai) OR (hanh tai)) cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky tang dai moi. hieu sau cam ((xuc va) OR (tuc va)) ((hanh vai) OR (hanh tai)) cua tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky tang dai moi. hieu sau cam ((xuc va) or (tuc va)) ((hanh vai) OR (hanh tai)) cua tu*".