Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
tang quan » nang quan, tong quan, thong quan
tang luan » dung luan
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
than cau » toan cau, phan cau, than cap
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 tinh - hanh ((tang quan) or (tang luan)) dung cong san ((than cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - hanh ((tang quan) OR (tang luan)) dung cong san ((than cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh ((tang quan) or (tang luan)) dung cong san ((than cau) or (toan tap))*.