Perhaps you should try some spelling variations:
thanh di » thanh doi, thanh de, thanh do
va thanh » gia thanh, ban thanh, va tinh
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
va cam » va cham, va cac, va cao
tu san » thu san, tu ban, vu san
nang o » nang co, nang ho, nang ro
tu can » tu ban, tu cac, thu canh
cua tu » cua tuc, cua su, cua cu
o hai » co hai, so hai, o lai

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) OR (tu can)) ky nang o hai. hieu va cam duc va thanh di ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu san) OR (tu can)) ky nang o hai. hieu va cam duc va thanh di ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu san) OR (tu can)) ky nang o hai. hieu va cam duc va thanh di ((cua te) or (cua tu))".
• Adding a wildcard symbol may retrieve word variants: ((tu san) OR (tu can)) ky nang o hai. hieu va cam duc va thanh di ((cua te) or (cua tu))*.