Perhaps you should try some spelling variations:
thang trong » thong trong, than trong, khoang trong
thieu xanh » chieu xanh, hieu manh, thien anh
canh trinh » canh tranh, hanh trinh, canh tinh
hoc thieu » toc thieu, hoc hien
trinh hoa » trinh do, trinh han
tang nong » hang nong, tang dong, tang mong
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van 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 hoa ((thang trong) or (tang nong)) ((dan than) OR (dan chan)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh trinh hoa ((thang trong) OR (tang nong)) ((dan than) OR (dan chan)) cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh trinh hoa ((thang trong) or (tang nong)) ((dan than) OR (dan chan)) cap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh trinh hoa ((thang trong) or (tang nong)) ((dan than) OR (dan chan)) cap*.