Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
phan tap » phan lap, han tap, pha tap
thuc dan » thuc hanh, hoc dan, thuc vat
sach ty » sach y, sach tu, sach thu
tap cua » tap quan, tiep cua
thuc va » thuc vat, thuc day
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
hieu vu » hieu va, hieu su, dieu vu
nang co » nang cao, nang doc, nang noi
ty nang » ky nang, ty xang, ty hang
co hoi » co hoc, co loi

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty nang co hoi. ((hieu vu) OR (hieu ve)) nham ((thuc va) or (thuc dan)) phan tap cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang co hoi. ((hieu vu) OR (hieu ve)) nham ((thuc va) OR (thuc dan)) phan tap cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang co hoi. ((hieu vu) OR (hieu ve)) nham ((thuc va) or (thuc dan)) phan tap cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach ty nang co hoi. ((hieu vu) OR (hieu ve)) nham ((thuc va) or (thuc dan)) phan tap cua triet*.