Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
ho chieu » theo chieu, hoc thieu, doi chieu
trang va » hang va
tran van » luan van
cong dan » cong san, cong tan, huong dan
pha tap » pham tai

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 xanh - hanh ((trang va) or (tran van)) thong cong dan ((phan tu) or (pha tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh ((trang va) OR (tran van)) thong cong dan ((phan tu) OR (pha tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh ((trang va) or (tran van)) thong cong dan ((phan tu) or (pha tap))*.