Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
theo chuc » theo chu, tho chu, treo chu
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
cong tinh » cong trinh, cong vinh, long tinh
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chuc nang - hanh tang luan nhung cong tinh ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chuc nang - hanh tang luan nhung cong tinh ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo chuc nang - hanh tang luan nhung cong tinh ((toan cao) or (toan ban))*.