Perhaps you should try some spelling variations:
sach ky » sac ky, sach y, sach ty
cao hoi » cau hoi, co hoi, cao hoc
hieu vu » hieu va, hieu ve, hieu su
dau cua » day cua, cau cua, dan cua
sai ky » sac ky
vu cam » vu cham, vu cao, va cam
xuc va » duc va, tuc va, luc va
va dan » ca dan, va dao, va dau

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) or (sai ky)) nang cao hoi. hieu vu cam xuc va dan ((dau cua) or (dai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sai ky)) nang cao hoi. hieu vu cam xuc va dan ((dau cua) OR (dai cua)) te.
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) or (sai ky)) nang cao hoi. hieu vu cam xuc va dan ((dau cua) or (dai cua)) te*.