Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
van chat » cao chat
thuc dan » thuc hanh, hoc dan, thuc vat
dan hanh » dang hanh, dan khanh, dan thanh
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van cau » van dau, van hau, toan cau
hanh te » hanh tu, hanh ve, hanh de
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: thu sach ky nang xa hoi. thien ((van cau) OR (van chat)) thuc dan hanh te cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang xa hoi. thien ((van cau) OR (van chat)) thuc dan hanh te cua te".
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang xa hoi. thien ((van cau) OR (van chat)) thuc dan hanh te cua te*.