Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
trong tang » trong trang, trong tan, trong dang
thuc xanh » thuc hanh, thuc thanh, thuc dan
quan dung » quang dung, quan duong, qua dung
hoc thuc » hoc huu
tang van » dang van, hoang van, trong van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thuc xanh - hanh trinh quan dung trong tang van ban~.
• Adding a wildcard symbol may retrieve word variants: hoc thuc xanh - hanh trinh quan dung trong tang van ban*.