Perhaps you should try some spelling variations:
trinh luan » trinh luat, trinh quan, trinh toan
trinh han » trinh quan
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
tong van » trong van, thong van, tang van
van tan » van tuan, van ban, van tai
tan ban » toan ban, tang 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: theo chu xanh - hanh ((trinh luan) or (trinh han)) han tong van tan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - hanh ((trinh luan) OR (trinh han)) han tong van tan ban*.