Perhaps you should try some spelling variations:
cam luoc » cam xuc, tom luoc, cam lo
luoc van » luoc can, luoc va, luc van
van hanh » van thanh, ban hanh, van anh
toc sac » toc sach, toc san, hoc sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
hanh te » hanh tu, hanh ve, hanh de
cua tre » cuu tre, cua triet, dua tren
sac ky » cac ky, sai ky
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: toc sac ky nang xa hoi. ((hieu ve) or (lieu va)) cam luoc van hanh te ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sac ky nang xa hoi. ((hieu ve) OR (lieu va)) cam luoc van hanh te ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sac ky nang xa hoi. ((hieu ve) or (lieu va)) cam luoc van hanh te ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: toc sac ky nang xa hoi. ((hieu ve) or (lieu va)) cam luoc van hanh te ((cua tre) OR (cua te))*.