Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
phan lap » phan dau
vat phan » va phan, van phan, sat phan
lap cua » lai cua, tap cua, lam cua
tu sach » thu sach, te sach, tu cach
nang ho » nang hoc, nang co, tang ho
ty nang » ky nang, ty xang, ty hang
su sach » so sach, vu sach
ho hoi » hoc hoi, hoa hoi, hoi hoi
va dam » van dam, va dao, va dap
va dau » va dao

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)) ty nang ho hoi. hieu ((va dam) OR (va dau)) thuc vat phan lap cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ty nang ho hoi. hieu ((va dam) OR (va dau)) thuc vat phan lap cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (su sach)) ty nang ho hoi. hieu ((va dam) OR (va dau)) thuc vat phan lap cua triet".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ty nang ho hoi. hieu ((va dam) OR (va dau)) thuc vat phan lap cua triet*.