Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"giap voi cua snippets" » "giap voi code snippets", "gian voi cua snippets", "gia moi cua snippets", "giap thi cua snippets", "giap hoi cua snippets", "giap doi cua snippets", "giap moi cua 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: (((("giap voi cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("giap voi cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( giap voi cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giap voi cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.