Perhaps you should try some spelling variations:
nhanh mang » nhanh lang, hanh mang, nhanh quang
hieu lang » chieu sang, hieu quang, nhieu tang
cua nhung » va nhung
mang cua » manh cua, dung cua, ban cua
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - nhanh mang cua nhung ((cong dan) or (cong san)) ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - nhanh mang cua nhung ((cong dan) OR (cong san)) ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - nhanh mang cua nhung ((cong dan) or (cong san)) ((toan tai) or (toan cao))*.