Perhaps you should try some spelling variations:
trung thanh » truong thanh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu
trung cua » truong cua, trung tuan, trung cap
tran tuan » tran xuan, tran quang, tran thanh
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren

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 (hoc hien)) xanh - thanh ((trung cua) or (trung thanh)) nhung cong tac tran tuan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) xanh - thanh ((trung cua) OR (trung thanh)) nhung cong tac tran tuan.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (hoc hien)) xanh - thanh ((trung cua) or (trung thanh)) nhung cong tac tran tuan".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (hoc hien)) xanh - thanh ((trung cua) or (trung thanh)) nhung cong tac tran tuan*.