Perhaps you should try some spelling variations:
thuc dat » thuc vat, thuc dan, thuc day
dat hang » dat khanh, dat quang, tat thang
hieu van » hieu va, thien van, lieu va
cac thuc » cach thuc, cac thu, can thuc
so sach » so sanh, bo sach, co sach
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va
hang vi » hang va, hanh vi, hang di
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) or (vu sach)) ky nang xa hoi. ((hieu ve) or (hieu van)) cac thuc dat hang vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (vu sach)) ky nang xa hoi. ((hieu ve) OR (hieu van)) cac thuc dat hang vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (vu sach)) ky nang xa hoi. ((hieu ve) or (hieu van)) cac thuc dat hang vi cua te*.