Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hang cong » dang cong, hang nong, bang cong
cong dang » cong dong, cong dan, cong dung
tran chau » tranh chap, tran huu
trang cho » trong cho, sang cho, hang cho
theo rau » theo dau, theo mau, theo chu
rau sach » cau sach, hau sach, khau sach
trinh va » trinh van, trinh vat, trinh ve
va hang » van hang, va nang, va lang
trang o » trang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo rau sach - hanh trinh va hang cong dang ((tran chau) or (((trang cho) OR (trang o))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo rau sach - hanh trinh va hang cong dang ((tran chau) OR (((trang cho) OR (trang o)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo rau sach - hanh trinh va hang cong dang ((tran chau) or (((trang cho) OR (trang o))))".
• Adding a wildcard symbol may retrieve word variants: theo rau sach - hanh trinh va hang cong dang ((tran chau) or (((trang cho) OR (trang o))))*.