Perhaps you should try some spelling variations:
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hieu va » lieu va, hieu qua
hang di » hang doi, hang vi, hang dien
hanh de » hanh ve, hanh kem
am hoc » ad hoc
cua te » cua tu
x hoi » xa hoi, o hoi, x ho
va am » va lam, va cam

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 x hoi. hieu va am hoc dan ((hang di) or (hanh de)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang x hoi. hieu va am hoc dan ((hang di) OR (hanh de)) cua te.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang x hoi. hieu va am hoc dan ((hang di) or (hanh de)) cua te*.