Perhaps you should try some spelling variations:
hoc sach » hoc cac, hoc anh
lieu van » hieu van, sieu van, lieu nano
danh vai » danh sai, danh va, doanh van
ly lang » ly hang, ly vang, le lang
lang xa » lang ha, dang xay, lang van
chu duc » thu duc, chua duoc, cuu duoc
va danh » va dinh, va dan, va hanh
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo
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 sach) OR (hoc sinh)) ly lang xa hoi. ((lieu van) or (lieu va)) chu duc va danh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc sach) OR (hoc sinh)) ly lang xa hoi. ((lieu van) OR (lieu va)) chu duc va danh vai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc sach) OR (hoc sinh)) ly lang xa hoi. ((lieu van) or (lieu va)) chu duc va danh vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((hoc sach) OR (hoc sinh)) ly lang xa hoi. ((lieu van) or (lieu va)) chu duc va danh vai cuu tre*.