Perhaps you should try some spelling variations:
trinh toan » tinh toan, thanh toan, trinh han
tieu xanh » tieu danh, chieu xanh, dieu hanh
thanh lap » thanh san, phan lap, thanh hai
dung cong » dung trong
thang ap » tang ap, thang tam, thang lao
thang ay » thang ngay, thanh tay, thang tam
toan cau » 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: theo tieu xanh - thanh ((((thang ap) OR (thanh lap))) or (thang ay)) dung cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh ((((thang ap) OR (thanh lap))) OR (thang ay)) dung cong trinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - thanh ((((thang ap) OR (thanh lap))) or (thang ay)) dung cong trinh toan cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh ((((thang ap) OR (thanh lap))) or (thang ay)) dung cong trinh toan cau*.