Perhaps you should try some spelling variations:
manh hanh » xanh hanh, danh thanh, minh thanh
cua triet » cua viet, su triet, va triet
cac cuoc » cac nuoc, ca cuoc, cac quoc
hanh vai » hanh vi, hanh va, hanh tai
hieu van » hieu va, thien van, lieu va
te sach » toc sach
sach ty » sach y, sach tu, sach thu
cac suc » cao suc, cac nuoc, cac quoc
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
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 ty nang xa hoi. hieu van ((cac suc) or (cac cuoc)) manh hanh vai ((cua te) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang xa hoi. hieu van ((cac suc) OR (cac cuoc)) manh hanh vai ((cua te) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. hieu van ((cac suc) or (cac cuoc)) manh hanh vai ((cua te) or (cua triet))*.