Perhaps you should try some spelling variations:
tang tai » hang tai, dung tai, sang tao
hieu van » hieu va, thien van, lieu va
van chao » van chat, van hao, van cho
ban hanh » ban hang
ky tang » ky nang, ky dang, kho tang
tai hoi » tai khoi, dai hoi, tai hai
cua suc » cua duc, cua tuc, cua cuc
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
xu ban » xuc ban, tu ban, vu ban
cua te » cua tu
cua su » qua su

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 ky tang tai hoi. hieu van chao xu ban hanh vi ((cua te) or (((cua su) or (cua suc))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky tang tai hoi. hieu van chao xu ban hanh vi ((cua te) OR (((cua su) OR (cua suc)))).
• Adding a wildcard symbol may retrieve word variants: tu sac ky tang tai hoi. hieu van chao xu ban hanh vi ((cua te) or (((cua su) or (cua suc))))*.