Perhaps you should try some spelling variations:
chat phuc » thuat phuc, khac phuc, chat huu
hieu van » hieu va, thien van, lieu va
van chat » cao chat
phuc cua » thuc cua, hoc cua, phuc vu
cau treo » cau theo, cau tren, cau triet
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
cua dan » cua dang, cua ban, ca dan
dan tai » van tai, dan thi, han tai
cua tre » cua te, cuu tre, cua triet

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 phuc cua dan tai ((cua tre) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang xa hoi. hieu van chat phuc cua dan tai ((cua tre) OR (cau treo)).
• Adding a wildcard symbol may retrieve word variants: su sach ty nang xa hoi. hieu van chat phuc cua dan tai ((cua tre) or (cau treo))*.