Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh trinh » canh tranh, hanh trinh, canh tinh
phung cong » nhung cong, phong cong, nhung chong
hung vuong » hoang vuong
hoc thieu » toc thieu, hoc hien
trinh van » trinh han, trinh quan, trinh toan
sang tao » hang tai
tao cao » bao cao, toan cao

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 van ((phung cong) or (hung vuong)) sang tao cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh trinh van ((phung cong) OR (hung vuong)) sang tao cao*.