Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
luan duong » tuan duong, luan luong, luan dong
cong thanh » dong thanh, cong trinh, truong thanh
phan tang » phap tang, phan dang, phan cang
tang luan » dung luan
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong ty
than ban » thanh ban, than man, nhuan ban
toan ban » van 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 tinh - phan tang luan duong ((cong thanh) OR (cong tan)) ((than ban) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - phan tang luan duong ((cong thanh) OR (cong tan)) ((than ban) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - phan tang luan duong ((cong thanh) OR (cong tan)) ((than ban) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - phan tang luan duong ((cong thanh) OR (cong tan)) ((than ban) or (toan ban))*.