Perhaps you should try some spelling variations:
thanh trung » thanh tung
lang thanh » dang thanh, tang thanh, lang thang
hoc thieu » toc thieu, hoc hien
bang cong » dang cong, bang song, hang cong
cong lang » cong vang, cong luong, cong quang
doc hieu » toc thieu, hoc hien
trung va » truong va, trang va, trung ha
thanh tu » hanh tu, nhanh tu, thanh tung
va bang » va nang, va lang, va ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (hoc thieu)) xanh - thanh trung va bang cong lang thanh tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc thieu)) xanh - thanh trung va bang cong lang thanh tu.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (hoc thieu)) xanh - thanh trung va bang cong lang thanh tu*.