Perhaps you should try some spelling variations:
chay tren » thai tren, ca tren, cau tren
lai chay » lai chau, lam chay, lai chang
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cao hoi » cau hoi, co hoi, cao hoc
cao tuc » dao tuc, cao duc, cao suc
va dinh » van dinh, va kinh, vu dinh
va tinh » may tinh
va cao » va cac, va co, va dao

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 ty nang cao hoi. lieu va cao tuc ((va dinh) OR (va tinh)) lai chay tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang cao hoi. lieu va cao tuc ((va dinh) OR (va tinh)) lai chay tren".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang cao hoi. lieu va cao tuc ((va dinh) OR (va tinh)) lai chay tren*.