Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh vat » trinh van, trinh luat, sinh vat
hang cong » dang cong, hang nong, bang cong
cong dang » cong dong, cong dan, cong dung
tranh cac » trinh cac, thanh cac, tranh cai
trang cho » trong cho, trang o, sang cho
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
vat hang » van hang, dat hang, va hang
tran cao » toan cao, tran chau, tranh cai

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 vat hang cong dang ((((tran cao) OR (tranh cac))) or (trang cho))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - hanh trinh vat hang cong dang ((((tran cao) OR (tranh cac))) OR (trang cho)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu sach - hanh trinh vat hang cong dang ((((tran cao) OR (tranh cac))) or (trang cho))".
• Adding a wildcard symbol may retrieve word variants: theo chu sach - hanh trinh vat hang cong dang ((((tran cao) OR (tranh cac))) or (trang cho))*.