Perhaps you should try some spelling variations:
"locatinhg bug code snippets" » "locating bug code snippets", "locatinhg bug code slippers", "locatinhg bug core snippets"
"python using java snippets" » "python using data snippets", "python using java slippers"
"van duc tan snippets" » "van duy tan snippets", "van du tan snippets", "tran duc tan snippets", "van duc tan slippers", "van duc tran snippets", "van duc toan snippets", "van duc than snippets"

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

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