Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
toc sach » hoc sach, doc sach, thuoc sach
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
sach ty » sach y, sach tu, sach thu
truc va » thuc va, thuc vat, trung va
cua tu » cua tuc, cua su, cua cu
tuc va » thuc va, tuc xa, duc va
va nam » van nam, ha nam, va nay

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ty nang xa hoi. hieu va nam ((tuc va) OR (truc va)) thanh tai ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ty nang xa hoi. hieu va nam ((tuc va) OR (truc va)) thanh tai ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ty nang xa hoi. hieu va nam ((tuc va) OR (truc va)) thanh tai ((cua te) or (cua tu))".
• Adding a wildcard symbol may retrieve word variants: toc sach ty nang xa hoi. hieu va nam ((tuc va) OR (truc va)) thanh tai ((cua te) or (cua tu))*.