Perhaps you should try some spelling variations:
nhanh mang » nhanh lang, hanh mang, nhanh quang
nhung cong » dung cong, thong cong, hang cong
theo yeu » theo tieu, thiet yeu, theo chu
chao chu » cho chu, cua chu, cao cho
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban
mang va » mang vua, hang va, bang va

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) or (chao chu)) xanh - nhanh mang va nhung cong trinh ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo yeu) OR (chao chu)) xanh - nhanh mang va nhung cong trinh ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((theo yeu) or (chao chu)) xanh - nhanh mang va nhung cong trinh ((toan tai) or (toan ban))*.