Perhaps you should try some spelling variations:
thanh trung » thanh tung
thi chien » thi hien, thi thien, thien chien
trung dan » trung dai, tung dan, trung van
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
dan dung » van dung, tin dung, ap dung
cong san » cong tac
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: ((ho chieu) or (thi chien)) xanh - thanh trung dan dung cong san ((toan tap) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (thi chien)) xanh - thanh trung dan dung cong san ((toan tap) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (thi chien)) xanh - thanh trung dan dung cong san ((toan tap) or (van ban))*.