Perhaps you should try some spelling variations:
vat thanh » dat thanh, gat thanh, tat thanh
cac thuc » cach thuc, can thuc, cay thuc
thanh va » thanh van, hanh va, thanh ha
su triet » su viet, su tien, ve triet
bo sach » co sach, hoc 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
cac thu » cach thuc, cac thoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach ty nang xa hoi. lieu va ((cac thuc) OR (cac thu)) vat thanh va su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "bo sach ty nang xa hoi. lieu va ((cac thuc) OR (cac thu)) vat thanh va su triet".
• Adding a wildcard symbol may retrieve word variants: bo sach ty nang xa hoi. lieu va ((cac thuc) OR (cac thu)) vat thanh va su triet*.