Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
anh tang » anh bang, anh dang, anh nang
cua rung » cua trung, cua rang, cua truong
cua dong » chua dong, cua cong, cua dang
qua dung » quang dung, su dung, qua song
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 - anh tang ((((cua rung) or (cua dong))) or (qua dung)) cong hach toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - anh tang ((((cua rung) OR (cua dong))) OR (qua dung)) cong hach toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - anh tang ((((cua rung) or (cua dong))) or (qua dung)) cong hach toan cau*.