Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh noi » ha noi, hanh vi, nang noi
hanh doi » thanh doi, hang doi, hanh moi
khac ty » khac thi
cam duc » cam xuc, cao duc, pham duc
vu khac » vu kham, vu khanh, bui khac
hieu ve » hieu va, hieu van
tang ma » tang van
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khac ty ((tang ma) or (mang may)) hoi. hieu ve cam duc va ((hanh doi) OR (hanh noi)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khac ty ((tang ma) OR (mang may)) hoi. hieu ve cam duc va ((hanh doi) OR (hanh noi)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu khac ty ((tang ma) or (mang may)) hoi. hieu ve cam duc va ((hanh doi) OR (hanh noi)) cua triet".
• Adding a wildcard symbol may retrieve word variants: vu khac ty ((tang ma) or (mang may)) hoi. hieu ve cam duc va ((hanh doi) OR (hanh noi)) cua triet*.