Perhaps you should try some spelling variations:
dang thanh » dong thanh, dang hanh, hoang thanh
hien quan » thien quan, lien quan, vien quan
canh manh » lanh manh, canh tranh, cach mang
cua trong » cua truong, cua trung, qua trong
ban thanh » ban hang
manh cua » doanh cua, ban cua
ban hanh » ban hang

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 quan - canh manh cua trong cong ((ban thanh) or (((ban hanh) or (dang thanh)))) lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien quan - canh manh cua trong cong ((ban thanh) OR (((ban hanh) OR (dang thanh)))) lap.
• Adding a wildcard symbol may retrieve word variants: hoc hien quan - canh manh cua trong cong ((ban thanh) or (((ban hanh) or (dang thanh)))) lap*.