Perhaps you should try some spelling variations:
thang trong » thong trong, than trong, khoang trong
canh trinh » canh tranh, hanh trinh, canh tinh
hoc thieu » hoc hien
trinh hoa » trinh do, trinh han
tang nong » hang nong, tang dong, tang mong
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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) OR (toc thieu)) xanh - canh trinh hoa ((thang trong) or (tang nong)) dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) xanh - canh trinh hoa ((thang trong) OR (tang nong)) dan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (toc thieu)) xanh - canh trinh hoa ((thang trong) or (tang nong)) dan than cap".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (toc thieu)) xanh - canh trinh hoa ((thang trong) or (tang nong)) dan than cap*.