Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
bang cong » dang cong, bang song, hang cong
tang cua » hang cua, tang luan, thong cua
mang cua » manh cua, dung cua, ban cua
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap
hang ca » hang va, nang cao, hang tai

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 - hanh ((tang cua) or (((hang ca) or (mang cua)))) bang cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh ((tang cua) OR (((hang ca) OR (mang cua)))) bang cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((tang cua) or (((hang ca) or (mang cua)))) bang cong tac toan cau*.