Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
tang luan » dung luan
manh cua » doanh cua, ban cua
cong van » cong vang, cong san, song van
ban cao » bao cao, ban can, ban co

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