Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu tinh » trieu tinh, lieu tinh, chau tinh
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
toan cao » toan ban
toan tap » toan 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: ho chieu tinh - canh ((anh va) or (sinh va)) nhung cong san ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - canh ((anh va) OR (sinh va)) nhung cong san ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - canh ((anh va) or (sinh va)) nhung cong san ((toan cao) or (toan tap))*.