Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
toc thien » toc thieu, ton thien, duoc thien
cong lang » cong vang, cong luong, cong quang
lang toan » dang toan, lang thang, lang thanh
vat dung » van dung, va dung, viet dung
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thien thanh - canh tranh ((vat dung) or (xay dung)) cong lang toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thien thanh - canh tranh ((vat dung) OR (xay dung)) cong lang toan cau.
• Adding a wildcard symbol may retrieve word variants: toc thien thanh - canh tranh ((vat dung) or (xay dung)) cong lang toan cau*.