Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hang cong » dang cong, hang nong, bang cong
cong dung » cuong dung, cong dong, cong luong
tran chau » tranh chap, tran huu
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
trinh va » trinh van, trinh vat, trinh ve
tran cao » toan cao, trang cho, tranh cac
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu sach - hanh trinh va hang cong dung ((tran cao) or (tran chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - hanh trinh va hang cong dung ((tran cao) OR (tran chau)).
• Adding a wildcard symbol may retrieve word variants: theo chu sach - hanh trinh va hang cong dung ((tran cao) or (tran chau))*.