Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cach van cuc snippets" » "cach van code snippets", "cac van cuc snippets", "bach van cuc snippets", "canh van cuc snippets", "cach van duc snippets", "cach van luc snippets", "cach van cu snippets"
"python using java snippets" » "python using data 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: (((("cach van cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach van cuc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cach van cuc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach van cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.