Perhaps you should try some spelling variations:
van thanh » ban thanh
tay lang » tai lang, tay tang, tay quang
van tuan » van quan, van ban, anh tuan
ky dang » ky nang, ky danh
qua cam » qua cham, qua cac, qua ca
tu dan » tuc dan, tu ban, cu dan
o viet » so viet, hoc viet
xi o » xi co, di o, oi o

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu dan ((tay lang) or (ky dang)) xa hoi. hieu qua cam xuc ((van thanh) OR (van tuan)) xi o viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu dan ((tay lang) OR (ky dang)) xa hoi. hieu qua cam xuc ((van thanh) OR (van tuan)) xi o viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu dan ((tay lang) or (ky dang)) xa hoi. hieu qua cam xuc ((van thanh) OR (van tuan)) xi o viet".
• Adding a wildcard symbol may retrieve word variants: tu dan ((tay lang) or (ky dang)) xa hoi. hieu qua cam xuc ((van thanh) OR (van tuan)) xi o viet*.