Perhaps you should try some spelling variations:
giau cua » gia cua, dieu cua, bieu cua
gian cua » gian xu, ban cua
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
y nang » ky nang, ly nang, v nang
ca dan » cac dan, ca dao
ca cua » co cua
ve ca » ve cac, ve cai, ve cau
ca o » co o, va o
o ca » o cac, o cao, ho ca

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 ve ca o ca dan ((ca cua) or (((giau cua) OR (gian cua)))) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. hieu ve ca o ca dan ((ca cua) OR (((giau cua) OR (gian cua)))) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang xa hoi. hieu ve ca o ca dan ((ca cua) or (((giau cua) OR (gian cua)))) tre".
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. hieu ve ca o ca dan ((ca cua) or (((giau cua) OR (gian cua)))) tre*.