Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh trinh » canh tranh, hanh trinh, canh tinh
nguong dan » huong dan
hoc thieu » toc thieu, hoc hien
han thang » van thang, han chang, nhanh thang
van khang » van khanh, van thanh, van quang
dan chan » dan gian, dan ca, van chat
chan cap » khan cap, than cap, cao 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 ((han thang) or (van khang)) nguong dan chan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh trinh ((han thang) OR (van khang)) nguong dan chan cap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh trinh ((han thang) or (van khang)) nguong dan chan cap*.