Perhaps you should try some spelling variations:
tranh hang » tran hoang, tran hong
tieu xanh » tieu danh, chieu xanh, dieu hanh
trinh han » trinh quan
dung cong » dung trong
anh dang » anh dong, anh dung, anh bang
cua dung » cua dang, cua dong, qua dung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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 dang) or (((tranh hang) OR (trinh han)))) cua dung cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((anh dang) OR (((tranh hang) OR (trinh han)))) cua dung cong tac toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((anh dang) or (((tranh hang) OR (trinh han)))) cua dung cong tac toan cao".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((anh dang) or (((tranh hang) OR (trinh han)))) cua dung cong tac toan cao*.