Perhaps you should try some spelling variations:
va thanh » ban thanh, va tinh, le thanh
ly vang » ly hang, ly van, ly quang
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
vang x » nang x
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, x ho
sinh » dinh, minh, kinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sinh ly vang x hoi. ((hieu ve) or (lieu va)) cam xuc ((va thanh) OR (gia thanh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sinh ly vang x hoi. ((hieu ve) OR (lieu va)) cam xuc ((va thanh) OR (gia thanh)) vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sinh ly vang x hoi. ((hieu ve) or (lieu va)) cam xuc ((va thanh) OR (gia thanh)) vi cua tre".
• Adding a wildcard symbol may retrieve word variants: hoc sinh ly vang x hoi. ((hieu ve) or (lieu va)) cam xuc ((va thanh) OR (gia thanh)) vi cua tre*.