Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
truc ban » thuc ban, truc dan, truc van
sach ty » sach y, sach tu, sach thu
hanh di » hanh vi, hanh de, hang di
su sach » so sach, vu sach
tuc van » thuc van, truc van, duc van
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
tuc va » thuc va, truc va, tuc xa
va dau » va dao
di cau » da cau, diem cau

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 dau ((((tuc van) OR (tuc va))) or (truc ban)) hanh di cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang xa hoi. lieu va dau ((((tuc van) OR (tuc va))) OR (truc ban)) hanh di cau treo*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang xa hoi. lieu va dau ((((tuc van) OR (tuc va))) or (truc ban)) hanh di cau treo*".