Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh luan » trinh luat, trinh quan, trinh han
luan nhung » luan chung, luan hung, quan nhung
cong vang » cong quang, cong ngang, cong san
cong lang » cong luong, cong quang, cong ngang
tuan cu » tuan tu, quan cua, tuan thu
ho cuu » ho chu, ho cua, so cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho cuu tinh - hanh trinh luan nhung ((cong vang) OR (cong lang)) tuan cu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho cuu tinh - hanh trinh luan nhung ((cong vang) OR (cong lang)) tuan cu".
• Adding a wildcard symbol may retrieve word variants: ho cuu tinh - hanh trinh luan nhung ((cong vang) OR (cong lang)) tuan cu*.