Perhaps you should try some spelling variations:
phuong bien » phuong tien, phong bien, hung bien
dac phuong » cac phuong, dan phuong, day phuong
nhanh mang » nhanh lang, hanh mang, nhanh quang
tieu tinh » trieu tinh, tieu trinh, lieu tinh
hanh bang » anh bang, hanh mang, lanh bang
nang cong » nang song, dang cong, bang cong
cong dac » cong tac, cong dan, cong cac
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 tieu tinh - ((hanh bang) or (nhanh mang)) va nang cong dac phuong bien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - ((hanh bang) OR (nhanh mang)) va nang cong dac phuong bien*.