Perhaps you should try some spelling variations:
tuc van » thuc van, truc van, tuc va
hang di » hang doi, hang vi, hang dien
hanh di » hanh de, danh di, xanh di
sach ty » sach y, sach tu, sach thu
su sach » so sach, vu sach
dau tuc » dau tu, dao tuc, cau truc
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
cuu tre » cua tre, cau tren, cau treo
va dau » va 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 dau tuc van ((((hanh di) OR (hanh vi))) or (hang di)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang xa hoi. lieu va dau tuc van ((((hanh di) OR (hanh vi))) OR (hang di)) cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang xa hoi. lieu va dau tuc van ((((hanh di) OR (hanh vi))) or (hang di)) cuu tre*".