Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
nhu phuong » thu phuong, nhung phuong, thi phuong
phuong dan » phuong danh, phuong doan, huong dan
doi chieu » doc hieu, doi chi, ho chieu
trinh va » trinh van, trinh vat, trinh ve
toan cao » toan ban, toan tap
va nhu » va nho, va ngu, vo nhu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - hanh trinh va nhu phuong dan ((van ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh trinh va nhu phuong dan ((van ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh trinh va nhu phuong dan ((van ban) or (toan cao))*.