Perhaps you should try some spelling variations:
canh tran » canh tranh, hanh trang, banh trang
nang cong » nang song, dang cong, bang cong
chi hanh » chi nhanh, chi thanh, thi hanh
tran van » luan van
van nang » van quang, van ban, van dong
van tuan » van quan, van ban
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 tran van nang cong ((van tuan) or (anh tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi hanh - canh tran van nang cong ((van tuan) OR (anh tuan)) cau*.