Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
nhu phuong » thu phuong, nhung phuong, thi phuong
phuong dan » phuong danh, phuong doan, huong dan
quan nhu » quan khu, quan nha, quan chu
toan cao » toan tap
toan ban » van ban

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

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