Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
phan lai » phan loai, phan lap, phan lan
van phan » van phong, van thanh, luan phan
thuc van » thuc vat, thuc dan, thuc va
vu kham » vu khanh
lai cua » dai cua, hai cua, lai chau
tu sach » thu sach, te sach, tu cach
nang ho » nang hoc, nang co, tang ho
su sach » so sach, vu sach
vu cham » va cham, tu cham, qua cham
ho hoi » hoc hoi, hoa hoi, hoi hoi
y nang » ky nang, ly nang, v nang

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

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