Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu sach » chinh sach, chiet tach, chieu sang
trinh quan » tinh quang, trinh luat, trinh han
trong dang » truong dang, trong dan, trong dong
hieu manh » chieu xanh, hieu nganh, dieu hanh
quan dung » quang dung, quan duong, qua dung
dang toan » dang tran, dan toan, dung 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: hoc ((hieu manh) or (chieu sach)) - hanh trinh quan dung trong dang toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu sach)) - hanh trinh quan dung trong dang toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (chieu sach)) - hanh trinh quan dung trong dang toan cao*.