Perhaps you should try some spelling variations:
chat cua » nhat cua, chat va, chat huu
mang cua » manh cua, dung cua, ban cua
tang cua » hang cua, tang luan, thong cua
van toan » van tuan, van tan, van thanh
cham cuu » cap cuu
tu sach » thu sach, su sach, te sach
sach ly » sach y, sach lo, sach ty
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang

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 ly nang xa hoi. hieu ve ((cham cuu) OR (chat cua)) van toan ((tang cua) or (mang cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ly nang xa hoi. hieu ve ((cham cuu) OR (chat cua)) van toan ((tang cua) OR (mang cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ly nang xa hoi. hieu ve ((cham cuu) OR (chat cua)) van toan ((tang cua) or (mang cua)) tre*".