Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
cam loc » cam lo
va tinh » may tinh
tinh te » kinh te, tinh tu, tinh he
va cam » va cham, va cac, va cao
loc va » hoc va, luc va
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 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 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 tinh te cua te*.