Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
va chat » van chat, va phat, cao chat
nang xa » nang x, lang xa, nang ma
via cua » gia cua, gian cua, giau cua
dan via » dan va, dan gia, dan gian
sach ky » sac ky, sach y, sach ty
xa dan » ca dan, xa dai, va dan
ve cac » va cac, vien cac
ve cai » va cai, ve tai, ve cau
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang xa hoi. hieu ((((ve cai) or (ve cac))) or (va chat)) tuc xa dan via cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang xa hoi. hieu ((((ve cai) OR (ve cac))) OR (va chat)) tuc xa dan via cua su.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang xa hoi. hieu ((((ve cai) or (ve cac))) or (va chat)) tuc xa dan via cua su*.