Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
chieu sang » chieu sach, chieu xanh, hieu lang
nhan dang » nhan dan, phan dang, tran dang
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
toan cao » toan ban, toan tap
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - ((nhan dang) or (nhanh thang)) va hang cong dan ((van ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((nhan dang) OR (nhanh thang)) va hang cong dan ((van ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((nhan dang) or (nhanh thang)) va hang cong dan ((van ban) or (toan cao))*.