Perhaps you should try some spelling variations:
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cong vang » cong lang, cong quang, cong ngang
cua dung » cua dang, cua dong, qua dung
cong van » cong san, song van, cong tan
tuan ban » tuan bang, toan ban, luan 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 chieu) OR (hoc thieu)) xanh - canh tranh cua dung ((cong van) or (cong vang)) tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc thieu)) xanh - canh tranh cua dung ((cong van) OR (cong vang)) tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) OR (hoc thieu)) xanh - canh tranh cua dung ((cong van) or (cong vang)) tuan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) OR (hoc thieu)) xanh - canh tranh cua dung ((cong van) or (cong vang)) tuan ban*.