Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
cham cuu » cap cuu, chat cua
hieu van » hieu va, thien van, lieu va
chat cuu » chat huu, chat cua, cap cuu
cuu tre » cua tre, cau tren, cau treo
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
te sach » toc sach
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang xa hoi. hieu van ((chat cuu) OR (cham cuu)) va danh vi ((cuu tre) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. hieu van ((chat cuu) OR (cham cuu)) va danh vi ((cuu tre) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang xa hoi. hieu van ((chat cuu) OR (cham cuu)) va danh vi ((cuu tre) or (cua viet))".
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. hieu van ((chat cuu) OR (cham cuu)) va danh vi ((cuu tre) or (cua viet))*.