Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
nhan tai » hang tai, van tai, toan tai
tu sach » thu sach, su sach, te sach
ty nang » ty xang, ty hang, ly nang
van cam » van nam, van lam, van cau
cam tuc » cam xuc, cam tu, nam thuc
xa nhan » ca nhan, va nhan, xa phan
ca tren » cau tren, cu tren, la tren
tai ca » tai cac, tai cao, tai cua

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 ((ty nang) or (ky nang)) xa hoi. hieu van cam tuc xa nhan tai ca tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (ky nang)) xa hoi. hieu van cam tuc xa nhan tai ca tren.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) or (ky nang)) xa hoi. hieu van cam tuc xa nhan tai ca tren*.