Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, ho chieu
hang cong » dang cong, hang nong, bang cong
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
sinh va » sinh vat, tinh va, dinh van
anh va » hanh va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu tinh - canh ((anh va) or (sinh va)) hang cong dan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - canh ((anh va) OR (sinh va)) hang cong dan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - canh ((anh va) or (sinh va)) hang cong dan ((toan cau) or (toan ban))*.