Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
cang thang » cong thanh, dang thanh
dang thong » dang thuong, dong thong, mang thong
hoc chieu » hoc thieu, ho chieu, hoc hien
quan tran » quang tran, quan tren, xuan tran
cong tan » cong tac, cong san, cong thanh
tran ban » tranh ban, tran van, toan ban
va dang » van dang, 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: hoc chieu sang - ((cang thang) or (cong tan)) va dang thong quan tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sang - ((cang thang) OR (cong tan)) va dang thong quan tran ban*.