Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
trinh luan » trinh luat, trinh quan, trinh han
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
tinh cua » trinh cua, sinh cua, tinh chat
cong tan » cong tac, cong san, cong thanh
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap

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 ((trinh luan) or (tinh cua)) hang cong tan ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - hanh ((trinh luan) OR (tinh cua)) hang cong tan ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh ((trinh luan) or (tinh cua)) hang cong tan ((toan cau) or (toan cao))*.