Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
sinh ty » sinh ly, sinh y, sinh tu
ty nang » ky nang, ty xang, ty hang
va pham » van pham, va phat, va phap
thuc va » thuc vat, thuc dan, thuc day
va dang » van dang, va nang, va lang
hai cua » thai cua, hoi cua, lai cua
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sinh ty nang o hoi. lieu va pham thuc va dang ((hai cua) OR (dai cua)) te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sinh ty nang o hoi. lieu va pham thuc va dang ((hai cua) OR (dai cua)) te".
• Adding a wildcard symbol may retrieve word variants: hoc sinh ty nang o hoi. lieu va pham thuc va dang ((hai cua) OR (dai cua)) te*.