Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh
hoc thieu » toc thieu, hoc hien
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
cong anh » cong danh, dong anh, hong anh
tuan cau » toan cau, quan cau, thuan cam
tuan cu » tuan tu, quan cua, tuan thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - ((hanh trinh) or (hanh chinh)) quan dung cong anh ((tuan cau) or (tuan cu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh trinh) OR (hanh chinh)) quan dung cong anh ((tuan cau) OR (tuan cu)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh trinh) or (hanh chinh)) quan dung cong anh ((tuan cau) or (tuan cu))*.