Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc dieu
thanh son » thanh cong, thanh toan, thanh hoa
va thong » va thuong, va phuong, he thong
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
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: ((hoc chieu) or (hoc hien)) xanh - ((thanh son) OR (thanh san)) va thong cong dan phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc hien)) xanh - ((thanh son) OR (thanh san)) va thong cong dan phan lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) or (hoc hien)) xanh - ((thanh son) OR (thanh san)) va thong cong dan phan lap".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc hien)) xanh - ((thanh son) OR (thanh san)) va thong cong dan phan lap*.