Perhaps you should try some spelling variations:
trinh cua » tinh cua, trinh quan, trinh luan
dung cong » dung trong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan tap » toan ban
theo ha » theo phap, theo chu, thep nha
ha tinh » va tinh, may tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ha tinh - hanh ((trinh cua) or (trinh luat)) dung cong manh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ha tinh - hanh ((trinh cua) OR (trinh luat)) dung cong manh toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ha tinh - hanh ((trinh cua) or (trinh luat)) dung cong manh toan tap*.