Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh chua » trinh chuan, trinh cua, trinh chu
tieu xanh » tieu danh, chieu xanh, dieu hanh
chua hang » cua hang, chua nang, chua xang
hang dong » hang nong, hang cong, hanh dong
dong tac » cong tac, dong tai, dong bac
tac toan » tap toan, tam toan, hach toan
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 - hanh trinh chua hang dong tac toan cau~.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh trinh chua hang dong tac toan cau*.