Perhaps you should try some spelling variations:
dat duoc » dat nuoc, da duoc, luat duoc
sang lap » sang tao, sang ma, sang tai
hanh tai » thanh tai, hang tai, han tai
tai cua » thai cua, tai cuc, tri cua
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
cac xuc » cam xuc, cac nuoc, chat xuc
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
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 ky ((sang lap) or (dung tai)) hoi. hieu ve ((cac xuc) or (dat duoc)) va hanh tai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((sang lap) OR (dung tai)) hoi. hieu ve ((cac xuc) OR (dat duoc)) va hanh tai cua tu.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((sang lap) or (dung tai)) hoi. hieu ve ((cac xuc) or (dat duoc)) va hanh tai cua tu*.