Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hat cham voi snippets" » "hat cham code snippets", "hat chau voi snippets", "hay cham voi snippets", "hanh cham voi snippets", "hat cham hoi snippets", "hat pham voi snippets", "hat cham soc 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: (((("hat cham voi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hat cham voi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hat cham voi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat cham voi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.