Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh sai » dung sai, danh bat, danh dau
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
thuc va » thuc dan, thuc day
va cao » va cac, va co, 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: te sach ty nang xa hoi. hieu va cao ((thuc va) or (thuc vat)) danh sai ((cua triet) or (cua vat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang xa hoi. hieu va cao ((thuc va) OR (thuc vat)) danh sai ((cua triet) OR (cua vat)).
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. hieu va cao ((thuc va) or (thuc vat)) danh sai ((cua triet) or (cua vat))*.