Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
cua triet » cua viet, su triet, va triet
phan lap » phan dau
hieu va » lieu va, hieu qua
lap cua » lai cua, tap cua, lam cua
va phan » van phan, va phat, va phap
thuc va » thuc vat, thuc dan, thuc day
te sach » toc sach
hieu vu » hieu ve, hieu su, dieu vu
ly hang » ly quang
y nang » ky nang, ly nang, v nang
ho hoi » hoc hoi, hoa hoi, hoi hoi

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

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