Perhaps you should try some spelling variations:
thieu nien » thien nhien
cau treo » cau theo, cau tren, cau triet
van hanh » van thanh, ban hanh, van anh
nien cac » vien cac, dien cac, bien cac
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
cac luc » cau luc, coc luc, cac nuoc
va hanh » va thanh, va danh, ban hanh
te sach » toc sach
ve cau » ke cau, va cau, ve cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (thu hoach)) ky lang xa hoi. thieu nien cac luc ((va hanh) or (van hanh)) ve cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu hoach)) ky lang xa hoi. thieu nien cac luc ((va hanh) OR (van hanh)) ve cau treo.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu hoach)) ky lang xa hoi. thieu nien cac luc ((va hanh) or (van hanh)) ve cau treo*.