Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
thu sac » thu sach, thu san, thu xac
va hanh » van hanh, va thanh, va danh
cam duc » cam xuc, cao duc, pham duc
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sac ky ((nang xa) or (nang ma)) hoi. hieu va cam duc va hanh vai ((cua te) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky ((nang xa) OR (nang ma)) hoi. hieu va cam duc va hanh vai ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sac ky ((nang xa) or (nang ma)) hoi. hieu va cam duc va hanh vai ((cua te) OR (cua tu))".
• Adding a wildcard symbol may retrieve word variants: thu sac ky ((nang xa) or (nang ma)) hoi. hieu va cam duc va hanh vai ((cua te) OR (cua tu))*.