Perhaps you should try some spelling variations:
sach tranh » canh tranh
tranh duoc » tranh cuoc, trinh duoc, tran duc
toc sach » hoc sach, doc sach, thuoc sach
duoc khi » buoc khoi, cuoc khoi, duoc kham
te lanh » te lan, tu lanh, tren lanh
te danh » le danh, tac danh
dao cao » dao tao, bao cao, tao cao
cao khi » cao khai, co khi, cao thi

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( ((te lanh) OR (te danh)) dao cao khi đong luc ) or ( toc sach tranh duoc khi đong luc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((te lanh) OR (te danh)) dao cao khi đong luc ) OR ( toc sach tranh duoc khi đong luc )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((te lanh) OR (te danh)) dao cao khi đong luc ) or ( toc sach tranh duoc khi đong luc ))".
• Adding a wildcard symbol may retrieve word variants: (( ((te lanh) OR (te danh)) dao cao khi đong luc ) or ( toc sach tranh duoc khi đong luc ))*.