Perhaps you should try some spelling variations:
chat tuc » chat xuc, luat tuc, chat huu
loai hoc » logic hoc, loai khoa, dai hoc
danh vai » danh sai, danh va, doanh van
hieu sau » hieu suat, tieu su, hieu va
ky sang » ky nang, ky dang, ky tang
lai hoa » dai hoa
vai cua » dai cua, hai cua, lai cua
hieu su » tieu su, hieu so, hieu suat
va danh » va dinh, va dan, va hanh
tu san » thu san, tu ban, tu can
cua te » cua tu
tuc va » thuc va, truc va, tuc xa
san ky » sang ky, van ky, dan ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky sang ((lai hoa) OR (loai hoc)). ((hieu su) or (hieu sau)) chat tuc va danh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky sang ((lai hoa) OR (loai hoc)). ((hieu su) OR (hieu sau)) chat tuc va danh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky sang ((lai hoa) OR (loai hoc)). ((hieu su) or (hieu sau)) chat tuc va danh vai cua te".
• Adding a wildcard symbol may retrieve word variants: tu san ky sang ((lai hoa) OR (loai hoc)). ((hieu su) or (hieu sau)) chat tuc va danh vai cua te*.