Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
cong dan » cong san, cong tan, huong dan
phan cac » nhan cach, phan dau, phan van
phan lap » phan dau
va hanh » van hanh, va thanh, va danh
va nang » van nang, da nang, cam nang

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 sang - canh tranh ((va hanh) or (va nang)) cong dan ((phan cac) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - canh tranh ((va hanh) OR (va nang)) cong dan ((phan cac) OR (phan lap)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - canh tranh ((va hanh) or (va nang)) cong dan ((phan cac) or (phan lap))*.