Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
cua nhung » va nhung
theo yeu » theo tieu, thiet yeu, theo chu
yeu tinh » yeu tin, lieu tinh, kieu tinh
cong dan » cong san, cong tan, huong dan
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo yeu tinh - hanh trang ((cua ban) or (cua nhung)) cong dan ((phan cau) OR (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo yeu tinh - hanh trang ((cua ban) OR (cua nhung)) cong dan ((phan cau) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo yeu tinh - hanh trang ((cua ban) or (cua nhung)) cong dan ((phan cau) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: theo yeu tinh - hanh trang ((cua ban) or (cua nhung)) cong dan ((phan cau) OR (phan dau))*.