Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
tieu xanh » tieu danh, chieu xanh, dieu hanh
trinh vat » trinh van, trinh luat, sinh vat
bang cong » dang cong, bang song, hang cong
vat bang » mat bang, va bang, van bang
tap toan » tap doan, bai toan
tap quan » tac quan, hai quan

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 trinh vat bang cong ((tap toan) OR (tap quan)) ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh trinh vat bang cong ((tap toan) OR (tap quan)) ban".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh trinh vat bang cong ((tap toan) OR (tap quan)) ban*.