Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhanh mang » nhanh lang, hanh mang, nhanh quang
hieu manh » chieu xanh, hieu nganh, dieu hanh
nang cong » nang song, dang cong, bang cong
cong dan » cong san, cong tan, huong dan
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban
mang va » mang vua, hang va, bang va
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 ((hieu manh) or (chieu tinh)) - nhanh mang va nang cong dan ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (chieu tinh)) - nhanh mang va nang cong dan ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (chieu tinh)) - nhanh mang va nang cong dan ((toan tai) or (toan ban))*.