Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
lieu tinh » trieu tinh, diep tinh, bien tinh
cua khong » cua phuong, cua thuong, cua cong
hua khong » hoa khong, hoac khong, phuc khong
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
toan cao » toan ban, toan tap
ho lieu » so lieu, co lieu, ho kieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu tinh - hanh trang ((cua khong) or (hua khong)) ((cong san) or (cong tan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - hanh trang ((cua khong) OR (hua khong)) ((cong san) OR (cong tan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - hanh trang ((cua khong) or (hua khong)) ((cong san) or (cong tan)) toan cao*.