Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh trinh » canh tranh, hanh trinh, canh tinh
thang nong » hang nong, tang nong, thang trong
thang long » thanh cong
hoc thieu » toc thieu, hoc hien
trinh do » trinh ky
dan cao » dan ca, dam cao, dan bao
cao cap » cao chat

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 do ((thang nong) OR (thang long)) dan cao cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh trinh do ((thang nong) OR (thang long)) dan cao cap*".