Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van chat » cao chat
chat xuc » chat huu, cam xuc, chao xu
su sach » so sach, vu sach
dan vai » dan va, dan tai, dan vat
cuu tre » cua tre, cau tren, cau treo
xuc cam » phuc cam
cam dan » cac dan, ca dan, nam dan
sach ty » sach y, sach tu, sach thu
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
cua tuc » cua duc, cua thuoc, luat tuc
cua tu » cua su, cua cu, cua te

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. hieu van chat xuc cam dan vai ((cuu tre) or (((cua tu) OR (cua tuc))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang xa hoi. hieu van chat xuc cam dan vai ((cuu tre) OR (((cua tu) OR (cua tuc)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang xa hoi. hieu van chat xuc cam dan vai ((cuu tre) or (((cua tu) OR (cua tuc))))".
• Adding a wildcard symbol may retrieve word variants: su sach ty nang xa hoi. hieu van chat xuc cam dan vai ((cuu tre) or (((cua tu) OR (cua tuc))))*.