Perhaps you should try some spelling variations:
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
trinh cua » tinh cua, trinh luat, trinh quan
manh toan » thanh toan, anh tuan, tinh toan
chi xanh » chi anh, chi danh, chi hanh
sinh cua » manh cua, dinh cuu, sinh va
toan ban » van ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - hanh ((trinh cua) or (sinh cua)) ((nhung cong) or (thong cong)) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - hanh ((trinh cua) OR (sinh cua)) ((nhung cong) OR (thong cong)) manh toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh ((trinh cua) or (sinh cua)) ((nhung cong) or (thong cong)) manh toan ban*.