Perhaps you should try some spelling variations:
thuat chung » thuat chuong, thuat hung, thuat nhung
chieu sang » chieu sach, chieu xanh, hieu lang
nhanh dinh » nhanh tinh, hanh dinh, nhan dinh
hoc chieu » hoc thieu, ho chieu, hoc hien
cuu nhung » cua nhung, cuu phuong, chua nhung
chong tan » cong tan, chong gian, chong tham
tan van » tran van, tang van, luan van

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 - nhanh dinh ((cuu nhung) or (thuat chung)) chong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sang - nhanh dinh ((cuu nhung) OR (thuat chung)) chong tan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sang - nhanh dinh ((cuu nhung) or (thuat chung)) chong tan van ban*.