Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
dan thanh » dang thanh, danh thanh, ban thanh
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
cau thuc » cau truc, cuu thuc, can thuc
thuc dan » thuc hanh, hoc dan, thuc vat
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 ve » hieu va, hieu van
vai cua » dai cua, hai cua, lai cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ty nang xa hoi. ((hieu ve) or (hieu qua)) cau thuc dan thanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty nang xa hoi. ((hieu ve) OR (hieu qua)) cau thuc dan thanh vai cua triet.
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang xa hoi. ((hieu ve) or (hieu qua)) cau thuc dan thanh vai cua triet*.