Perhaps you should try some spelling variations:
thuat hanh » thuat thanh, thuat lanh, thuat hinh
tu quang » chu quang, bui quang, dau quang
hieu va » lieu va, hieu qua
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
lua tru » luu tru, luan thu, luat tri
hieu ve » hieu van
xuc va » duc va, tuc va, luc va
vi lua » vi luu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat hanh ((tu quang) OR (vu quang)) xa hoi. ((hieu ve) or (hieu va)) cam xuc va danh vi lua tru~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat hanh ((tu quang) OR (vu quang)) xa hoi. ((hieu ve) OR (hieu va)) cam xuc va danh vi lua tru.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat hanh ((tu quang) OR (vu quang)) xa hoi. ((hieu ve) or (hieu va)) cam xuc va danh vi lua tru".
• Adding a wildcard symbol may retrieve word variants: thuat hanh ((tu quang) OR (vu quang)) xa hoi. ((hieu ve) or (hieu va)) cam xuc va danh vi lua tru*.