Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhieu tang » chieu sang, nhiet nang
trinh quan » tinh quang, trinh luat, trinh han
quan nhung » qua nhung, cua nhung, luan chung
nhung dung » phuong dung, ung dung, thong dung
hieu lang » chieu sang, hieu quang, hieu van
dung manh » duong manh, dung danh, hung manh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (nhieu tang)) - hanh trinh quan nhung dung manh ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (nhieu tang)) - hanh trinh quan nhung dung manh ((toan ban) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (nhieu tang)) - hanh trinh quan nhung dung manh ((toan ban) or (van ban))*.