Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
tang tai » hang tai, dung tai, sang tao
tang mai » tang ma, lang mai, sang mai
hieu van » hieu va, thien van, lieu va
tai cua » thai cua, tai cuc, tri cua
tuc gia » tac gia, duc gia, toc gia
cam tuc » cam xuc, cam tu, nam thuc
van cam » van nam, van lam, van cau
sach ky » sach y, sach ty, sach kem
sac ky » cac ky, sai ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) or (sac ky)) ((tang mai) OR (tang tai)) hoi. hieu van cam tuc gia thanh tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) ((tang mai) OR (tang tai)) hoi. hieu van cam tuc gia thanh tai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sac ky)) ((tang mai) OR (tang tai)) hoi. hieu van cam tuc gia thanh tai cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sac ky)) ((tang mai) OR (tang tai)) hoi. hieu van cam tuc gia thanh tai cua te*.