Perhaps you should try some spelling variations:
hang tai » hang va, dung tai
su viet » so viet
va hang » van hang, va nang, va lang
cua tre » cua te, cuu tre, cua triet
cam tuc » cam xuc, cam tu, nam thuc
hieu va » lieu va, hieu qua
ky tang » ky dang, kho tang, ky trong
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
tu sac » tu sach, tu cac, tu san

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 nang) or (ky tang)) xa hoi. hieu va cam tuc va hang tai ((cua tre) or (su viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky nang) OR (ky tang)) xa hoi. hieu va cam tuc va hang tai ((cua tre) OR (su viet)).
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky nang) or (ky tang)) xa hoi. hieu va cam tuc va hang tai ((cua tre) or (su viet))*.