Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"pha doc hieu snippets" » "pha toc thieu snippets", "pha hoc thieu snippets", "pha hoc hien snippets", "phap doc hieu snippets", "pham duc hieu snippets", "than doc hieu snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("pha doc hieu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"pha doc hieu snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( pha doc hieu snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha doc hieu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.