Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
nhu phuong » thu phuong, nhung phuong, thi phuong
phuong van » phung van, phong van, phuong lan
tang luan » dung luan
tang cua » mang cua, hang cua, thong cua
van tao » van thao, vang tao, van tai
tao cao » bao cao, toan cao

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) or (chieu xanh)) - hanh ((tang cua) or (tang luan)) nhu phuong van tao cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (chieu xanh)) - hanh ((tang cua) OR (tang luan)) nhu phuong van tao cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sang) or (chieu xanh)) - hanh ((tang cua) or (tang luan)) nhu phuong van tao cao*.