Perhaps you should try some spelling variations:
thuat canh » thuat lanh, thuat cong, thuat chan
canh thanh » canh tranh, danh thanh, anh thanh
thuat san » thuat toan, thuat song, thuat lanh
thanh tri » thanh tra, thanh tai, chinh tri
tran tri » trang tri, tran thi, trang trai
te canh » ve canh, te danh, re canh

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( ((thuat canh) OR (thuat san)) tran tri ) or ( te canh thanh tri ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((thuat canh) OR (thuat san)) tran tri ) OR ( te canh thanh tri )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((thuat canh) OR (thuat san)) tran tri ) or ( te canh thanh tri ))".
• Adding a wildcard symbol may retrieve word variants: (( ((thuat canh) OR (thuat san)) tran tri ) or ( te canh thanh tri ))*.