Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » manh cua
doanh cua » doanh luan
ban cong » bang cong, van cong, phan cong
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (doi chieu)) xanh - canh ((tranh cua) OR (doanh cua)) ban cong van toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chieu)) xanh - canh ((tranh cua) OR (doanh cua)) ban cong van toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (doi chieu)) xanh - canh ((tranh cua) OR (doanh cua)) ban cong van toan tap*".