Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu tinh » trieu tinh, chau tinh, kieu tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
manh va » hanh va, anh va, lanh va
minh va » tinh va, sinh va, sinh vat

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) or (lieu tinh)) - canh ((manh va) or (minh va)) nhung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (lieu tinh)) - canh ((manh va) OR (minh va)) nhung cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (lieu tinh)) - canh ((manh va) or (minh va)) nhung cong tan toan cau*.