Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
ky lang » ky nang, ky tang, tay lang
ky dang » ky nang, ky danh
hoa hoi » khoa hoi, hoa hoc, hoa doi
cam tuc » cam xuc, nam thuc, dam thuc
va hanh » van hanh, va thanh, va danh
cam tu » cam thu, nam tu, dam tu
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sinh ((ky lang) or (ky dang)) hoa hoi. hieu van ((cam tuc) OR (cam tu)) va hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sinh ((ky lang) OR (ky dang)) hoa hoi. hieu van ((cam tuc) OR (cam tu)) va hanh vi cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sinh ((ky lang) or (ky dang)) hoa hoi. hieu van ((cam tuc) OR (cam tu)) va hanh vi cua triet*".