Perhaps you should try some spelling variations:
trinh quang » tinh quang, trinh quan, tranh quang
quang trong » quang truong, quang trung, quan trong
hanh trinh » canh tranh, hanh chinh
hien xanh » hien hanh, hien nhanh, chieu xanh
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van 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 hien xanh - hanh trinh quang trong cong dan toan ban~.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh trinh quang trong cong dan toan ban*.