Perhaps you should try some spelling variations:
gian cua » gian xu, ban cua
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
ca lao » cua lao, ca dao, ca cao
ca dan » cac dan, ca dao
va cua » va chua, via cua, ca cua
va dan » va dao, va dau, va dap
ve ca » ve cac, ve cai, ve cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty nang xa hoi. hieu ve ca lao ((va dan) or (ca dan)) ((va cua) or (gian cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. hieu ve ca lao ((va dan) OR (ca dan)) ((va cua) OR (gian cua)) tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. hieu ve ca lao ((va dan) or (ca dan)) ((va cua) or (gian cua)) tre*.