Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using low snippets" » "python using code snippets"
"van dung tu snippets" » "van dong tu snippets", "xay dung tu snippets", "tin dung tu snippets", "van dung thu snippets", "van dung tru snippets", "van dung cu 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 low snippets") OR ("van dung tu snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using low snippets\") OR (\"van dung tu snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using low snippets ) OR ( van dung tu snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using low snippets") OR ("van dung tu snippets"))) OR ("locating bug core snippets"))*.