Perhaps you should try some spelling variations:
tu sang » thu sang, tu san, tu lang
bao dai » bac dai, tao dai, bao dam
duy van » duy vat, dung van
sang ky » sang kyo, dang ky, tang ky
ve pham » vi pham, v pham, ve phan
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
tang xa » trang xa, tang ma, tang ha
duy va » duy vat, day va, duy v
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sang ky ((tang xa) or (lang xa)) hoi. hieu ve pham ((duy va) OR (duy van)) bao dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sang ky ((tang xa) OR (lang xa)) hoi. hieu ve pham ((duy va) OR (duy van)) bao dai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sang ky ((tang xa) or (lang xa)) hoi. hieu ve pham ((duy va) OR (duy van)) bao dai cua te".
• Adding a wildcard symbol may retrieve word variants: tu sang ky ((tang xa) or (lang xa)) hoi. hieu ve pham ((duy va) OR (duy van)) bao dai cua te*.