Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
tinh ve » trinh ve, tinh ven, dinh ve
va tinh » may tinh
cac loc » cac lop, cac toc, cac hoc
hieu ve » hieu va, hieu van
nang xa » lang xa, nang ma, mang xa
sach v » sach va, sach y, sach vay
ve cac » va cac, vien cac
sach 2 » sach y
loc va » hoc va, luc va
ve cau » ke cau, va cau, le 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 (sach 2)) ((nang xa) or (nang x)) hoi. hieu ve cac loc va tinh ve cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach v) OR (sach 2)) ((nang xa) OR (nang x)) hoi. hieu ve cac loc va tinh ve cau treo.
• Adding a wildcard symbol may retrieve word variants: tu ((sach v) or (sach 2)) ((nang xa) or (nang x)) hoi. hieu ve cac loc va tinh ve cau treo*.