Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
quan nhung » qua nhung, cua nhung, luan chung
hieu xanh » chieu xanh, hieu manh, hieu nganh
tuong dan » huong dan, tung dan, xuong dan
doc hieu » toc thieu, hoc thieu, hoc hien
phan cau » phan dau, phan cac, phan tu
toan cau » toan cao, toan tap, toan tai
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: doc hieu xanh - hanh trinh quan nhung tuong dan ((phan cau) or (((toan cau) or (toan ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hanh trinh quan nhung tuong dan ((phan cau) OR (((toan cau) OR (toan ban)))).
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh trinh quan nhung tuong dan ((phan cau) or (((toan cau) or (toan ban))))*.