Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
hang doi » hang di, hang loi, huong doi
nang xa » nang x, lang xa, nang ma
dao tuc » dao duc
tuc van » thuc van, truc van, tuc va
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cuu tre » cua tre, cau treo
su sach » so sach, vu sach
va dao » ca dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty nang xa hoi. lieu va dao tuc van ((hanh vi) or (hang doi)) ((cuu tre) OR (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang xa hoi. lieu va dao tuc van ((hanh vi) OR (hang doi)) ((cuu tre) OR (cau tren))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang xa hoi. lieu va dao tuc van ((hanh vi) or (hang doi)) ((cuu tre) OR (cau tren))*".