Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
lang thang » cang thang, dang thanh, hung thang
chua nang » chuc nang, chua xang, kha nang
cong lang » cong vang, cong luong, cong quang
chi xanh » chi anh, chi danh, chi hanh
luan san » luan van, luan hoan, luan phan
thang va » hang va, trang va, thong va
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - canh trinh ((luan san) or (chua nang)) cong lang thang va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - canh trinh ((luan san) OR (chua nang)) cong lang thang va*.