Perhaps you should try some spelling variations:
trien kinh » tri kinh, trinh kinh, trien dich
trinh quan » tinh quang, trinh han
bang huong » bang phuong, ban huong, bang suong
huong lan » phuong lan, thuong lan, huong dan
bo trien » bo triet, buoc trien, bo truyen
than tap » han tap, phan tap, than cap
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: bo trien kinh - hanh ((trinh quan) or (trinh luat)) bang huong lan ((than tap) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo trien kinh - hanh ((trinh quan) OR (trinh luat)) bang huong lan ((than tap) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: bo trien kinh - hanh ((trinh quan) or (trinh luat)) bang huong lan ((than tap) or (toan tap))*.