Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"de thanh cai snippets" » "de thanh hai snippets", "de thanh tai snippets", "de thanh oai snippets", "le thanh cai snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("de thanh cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("de thanh cai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( de thanh cai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("de thanh cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.