Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
hoc thieu » toc thieu, hoc hien
hang cong » dang cong, hang nong, bang cong
hanh ban » thanh ban, hang ban, hanh san
toan tap » toan ban
ban cua » ban quan
ty toan » ly toan, tap toan, huy toan

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

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