Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh vat » trinh van, trinh luat, sinh vat
hoc tien » hoc tieng, hoc hien, hoc vien
vat nang » van nang, va nang, vat mang
song dan » song danh, song van, cong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tien thinh - hanh trinh vat nang song dan toan tap~.
• Adding a wildcard symbol may retrieve word variants: hoc tien thinh - hanh trinh vat nang song dan toan tap*.