Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
trung pha » trung phan, trung phat, trung ha
dung cong » dung trong
hach toan » thanh toan, manh toan
chao chu » cho chu, cua chu, cao cho
pha dung » pham dung, phan dung, kha dung
tac toan » tap toan, tam toan, tich toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (chao chu)) xanh - thanh trung pha dung cong ((tac toan) or (hach toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (chao chu)) xanh - thanh trung pha dung cong ((tac toan) OR (hach toan)) cao.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (chao chu)) xanh - thanh trung pha dung cong ((tac toan) or (hach toan)) cao*.