Perhaps you should try some spelling variations:
thuat lanh » thuat lap
thuat san » thuat toan, thuat song, thuat xay
dinh vai » dinh van, dinh vi, dinh va
hieu va » lieu va, hieu qua
vai cua » dai cua, hai cua, lai cua
va dinh » van dinh, va kinh, va tinh
cam luc » cam xuc, cau luc
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu van
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuat lanh) OR (thuat san)) ky dang xa hoi. ((hieu ve) or (hieu va)) cam luc va dinh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat lanh) OR (thuat san)) ky dang xa hoi. ((hieu ve) OR (hieu va)) cam luc va dinh vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuat lanh) OR (thuat san)) ky dang xa hoi. ((hieu ve) or (hieu va)) cam luc va dinh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((thuat lanh) OR (thuat san)) ky dang xa hoi. ((hieu ve) or (hieu va)) cam luc va dinh vai cua tre*.