Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
tranh va » tranh van, trang va, trinh va
tan toan » tan tran, tap toan, van toan
toan cau » 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 - canh tranh va ((hang cong) or (dang cong)) tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - canh tranh va ((hang cong) OR (dang cong)) tan toan cau.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - canh tranh va ((hang cong) or (dang cong)) tan toan cau*.