Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, le thanh
te sach » toc sach
va tinh » may tinh
cam loc » cam lo
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
va cam » va cham, va cac, va cao
te cua » tue cua, le cua, de cua
cua te » cua tu

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 ky lang ((van hoc) or (van hoa)). lieu va cam loc ((va thanh) OR (va tinh)) te cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang ((van hoc) OR (van hoa)). lieu va cam loc ((va thanh) OR (va tinh)) te cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky lang ((van hoc) or (van hoa)). lieu va cam loc ((va thanh) OR (va tinh)) te cua te".
• Adding a wildcard symbol may retrieve word variants: te sach ky lang ((van hoc) or (van hoa)). lieu va cam loc ((va thanh) OR (va tinh)) te cua te*.