Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
va thanh » gia thanh, va tinh, le thanh
cau treo » cau theo, cau tren, cau triet
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
sach v » sach va, sach y, sach 2
ve coc » ve cuoc, ve cac, ve co
di cau » da cau, diem 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 v) or (lanh dao)) nang xa hoi. hieu ve coc luc ((va thanh) OR (ban thanh)) di cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach v) OR (lanh dao)) nang xa hoi. hieu ve coc luc ((va thanh) OR (ban thanh)) di cau treo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach v) or (lanh dao)) nang xa hoi. hieu ve coc luc ((va thanh) OR (ban thanh)) di cau treo".
• Adding a wildcard symbol may retrieve word variants: tu ((sach v) or (lanh dao)) nang xa hoi. hieu ve coc luc ((va thanh) OR (ban thanh)) di cau treo*.