Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chieu xanh » chieu sach, chieu sang, chieu tinh
bang hoac » hang hoa, nang hoc, bang cac
chu xanh » chu manh, chua xang, chuc danh
bang hoc » nang hoc, mang hoc, quang hoc
cong ban » cong bang, cong san, cong tan
ban phan » ban phap, van phan, ban than
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) or (chieu xanh)) - anh ((bang hoac) OR (bang hoc)) thong cong ban phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chieu xanh)) - anh ((bang hoac) OR (bang hoc)) thong cong ban phan lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) or (chieu xanh)) - anh ((bang hoac) OR (bang hoc)) thong cong ban phan lap".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chieu xanh)) - anh ((bang hoac) OR (bang hoc)) thong cong ban phan lap*.