Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
lang thang » cang thang, dang thanh, hung thang
thuc nang » thuc trang, thich nang, thuat nang
cong lang » cong vang, cong luong, cong quang
chi hanh » chi nhanh, chi thanh, thi hanh
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 hanh - canh trinh ((chuc nang) or (thuc nang)) cong lang thang va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi hanh - canh trinh ((chuc nang) OR (thuc nang)) cong lang thang va*.