Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
hang dien » quang dien, dang dieu, nhan dien
hieu ve » hieu van
hieu va » lieu va, hieu qua
cam loc » cam lo
hang di » hang doi, hang vi, hang dich
loc va » hoc va, luc va
y nang » ky nang, ly nang, v nang
x hoi » xa hoi, o hoi, x ho
san y » dan y, san _

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thuat san y nang x hoi. ((hieu ve) or (hieu va)) cam loc va ((hang di) OR (hang dien)) qua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat san y nang x hoi. ((hieu ve) OR (hieu va)) cam loc va ((hang di) OR (hang dien)) qua su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat san y nang x hoi. ((hieu ve) or (hieu va)) cam loc va ((hang di) OR (hang dien)) qua su".
• Adding a wildcard symbol may retrieve word variants: thuat san y nang x hoi. ((hieu ve) or (hieu va)) cam loc va ((hang di) OR (hang dien)) qua su*.