Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap
ap dung » xay dung, van dung
cao ung » cao dung, cho ung, bao ung
cac ung » cac chung, cac cong, cac dang

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 xanh - thanh tung ((ap dung) or (((cao ung) OR (cac ung)))) cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh tung ((ap dung) OR (((cao ung) OR (cac ung)))) cong tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - thanh tung ((ap dung) or (((cao ung) OR (cac ung)))) cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh tung ((ap dung) or (((cao ung) OR (cac ung)))) cong tac toan cau*.