Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh dung » thanh duong, thanh tung, thanh hung
cong vinh » cong trinh, trong vinh, cong viec
dung tam » duong tam, dung tai, dung lam
ban cong » bang cong, van cong, phan cong
vinh van » dinh van, trinh van, sinh vat
tam ban » tai ban, tao ban, tay ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (chieu tinh)) - thanh dung tam ban cong vinh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu tinh)) - thanh dung tam ban cong vinh van ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu tinh)) - thanh dung tam ban cong vinh van ban*.