Perhaps you should try some spelling variations:
tcanh tranh » thanh thanh, can tranh, lanh tranh
hoang trong » khoang trong, hoang vuong, cong trong
trong quang » truong quang, thong quang, trong quan
doi chieu » doi chi, ho chieu, mot chieu
cua hoang » cua hang, quan hoang, tuan hoang
quang van » quang ban, quan van, quang uan
doc hieu » toc thieu, hoc thieu, hoc hien

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (doc hieu)) xanh - ((canh tranh) or (tcanh tranh)) cua hoang trong quang van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doc hieu)) xanh - ((canh tranh) OR (tcanh tranh)) cua hoang trong quang van ban.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doc hieu)) xanh - ((canh tranh) or (tcanh tranh)) cua hoang trong quang van ban*.