Perhaps you should try some spelling variations:
triet tinh » trieu tinh, trien tinh, trien kinh
trinh quan » tinh quang, trinh han
bang huong » bang phuong, ban huong, bang suong
mao triet » tao thiet, va triet, bo triet
huong lan » phuong lan, thuong lan, huong dan
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: mao triet tinh - 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: mao triet tinh - hanh ((trinh quan) OR (trinh luat)) bang huong lan ((than tap) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: mao triet tinh - hanh ((trinh quan) or (trinh luat)) bang huong lan ((than tap) or (toan tap))*.