Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh trinh » canh tranh, hanh trinh, canh tinh
trinh quan » tinh quang, trinh luat, trinh han
quan thong » quang thong, quan trong, xuan thong
cong quang » luong quang, thong quang, duong quang
hoc thieu » toc thieu, hoc hien
cong sang » cong san, cong lang, cong vang
than cao » toan cao, thai cao, than cap

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 - canh trinh quan thong ((cong sang) or (cong quang)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh trinh quan thong ((cong sang) OR (cong quang)) than cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh trinh quan thong ((cong sang) or (cong quang)) than cao*.