Perhaps you should try some spelling variations:
trong chuan » thong chuan, trong chan, trong thuan
thieu xanh » chieu xanh, hieu manh, thien anh
trung chan » trung phan, trong chan, trung can
cong thuat » trong thuat, vuong thuat, cong thuc
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
toan cao » toan ban, toan tap

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 - thanh ((trung chan) or (trong chuan)) dung cong thuat toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((trung chan) OR (trong chuan)) dung cong thuat toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((trung chan) or (trong chuan)) dung cong thuat toan cao*.