Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
hoc tien » hoc tieng, hoc hien, hoc vien
tien anh » tieng anh, tien manh, dien anh
dan khan » dan khanh, dan chan, dan than
khan cap » khan ap, than cap, khoan cam

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 anh - hanh trinh quan ((nhung cong) or (hang cong)) dan khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien anh - hanh trinh quan ((nhung cong) OR (hang cong)) dan khan cap.
• Adding a wildcard symbol may retrieve word variants: hoc tien anh - hanh trinh quan ((nhung cong) or (hang cong)) dan khan cap*.