Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc mon canh snippets" » "hoc mon code snippets", "hoc mo canh snippets", "hoc van canh snippets", "hoc bo canh snippets", "hoc moi canh snippets", "hoc mot canh snippets", "hoc cong canh 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: (((("hoc mon canh snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc mon canh snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoc mon canh snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc mon canh snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.