Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
hieu van » hieu va, thien van, lieu va
tinh lam » trinh lam, dinh lam, tinh lao
lam cho » lam chu, lai cho, lam co
va tinh » may tinh
coc tuc » coc luc, hoc thuc, doc thuc
cho tre » cho thue, khoe tre
hieu ve » hieu va
ky dang » ky nang, ky danh
ky lang » ky nang, ky tang, tay lang
tuc va » thuc va, truc va, tuc xa

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 ((ky lang) OR (ky dang)) xa hoi. ((hieu ve) or (hieu van)) coc tuc va tinh lam cho tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat san ((ky lang) OR (ky dang)) xa hoi. ((hieu ve) OR (hieu van)) coc tuc va tinh lam cho tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat san ((ky lang) OR (ky dang)) xa hoi. ((hieu ve) or (hieu van)) coc tuc va tinh lam cho tre".
• Adding a wildcard symbol may retrieve word variants: thuat san ((ky lang) OR (ky dang)) xa hoi. ((hieu ve) or (hieu van)) coc tuc va tinh lam cho tre*.