Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chua xang » chua nang, chuc nang, chu bang
cong tinh » cong trinh, cong vinh, long tinh
chu xanh » chu manh, chieu xanh, chuc danh
tang cua » mang cua, hang cua, tang luan
toan ban » van ban
hang ca » hang va, nang cao, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao ((chu xanh) OR (chua xang)) - hanh ((tang cua) or (hang ca)) nhung cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chu xanh) OR (chua xang)) - hanh ((tang cua) OR (hang ca)) nhung cong tinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao ((chu xanh) OR (chua xang)) - hanh ((tang cua) or (hang ca)) nhung cong tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: chao ((chu xanh) OR (chua xang)) - hanh ((tang cua) or (hang ca)) nhung cong tinh toan ban*.