Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
lieu van » hieu van, sieu van, lieu nano
danh vai » danh sai, danh va, doanh van
ly lang » ly hang, le lang, ly lanh
ly vang » ly hang, ly van, ly quang
thu duc » thu tuc, tho duc, thu muc
va danh » va dinh, va dan, va hanh
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach ((ly lang) OR (ly vang)) xa hoi. ((lieu van) or (lieu va)) thu duc va danh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ((ly lang) OR (ly vang)) xa hoi. ((lieu van) OR (lieu va)) thu duc va danh vai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach ((ly lang) OR (ly vang)) xa hoi. ((lieu van) or (lieu va)) thu duc va danh vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: hoc sach ((ly lang) OR (ly vang)) xa hoi. ((lieu van) or (lieu va)) thu duc va danh vai cuu tre*.