Perhaps you should try some spelling variations:
dung cong » dung trong
choi tre » cho tre, tuoi tre, khoe tre
tre xanh » tre thanh, tren lanh, troi xanh
tranh va » tranh van, trang va, trinh va
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tai
toan ban » van ban
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: choi tre xanh - canh tranh va dung cong dan ((((toan cau) or (toan ban))) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: choi tre xanh - canh tranh va dung cong dan ((((toan cau) OR (toan ban))) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: choi tre xanh - canh tranh va dung cong dan ((((toan cau) or (toan ban))) or (toan tap))*.