Perhaps you should try some spelling variations:
dung dat » dung va, dung tai
ky sang » ky nang, ky dang, duy sang
ky tang » ky nang, ky dang, kho tang
hieu le » hieu ve, hieu he, hieu ly
xa dung » xay dung, xa dong, va dung
dat cua » dai cua, day cua, mat cua
cua tre » cua te, cuu tre, cua triet
tu san » thu san, tu ban, tu can
ma hoi » mai hoi, xa hoi, ma hoa
le nam » ly nam, he nam, le na
thu xa » thu xac, thu ha, thu xe

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) or (ky tang)) ma hoi. hieu le nam thu xa dung dat cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ((ky sang) OR (ky tang)) ma hoi. hieu le nam thu xa dung dat cua tre.
• Adding a wildcard symbol may retrieve word variants: tu san ((ky sang) or (ky tang)) ma hoi. hieu le nam thu xa dung dat cua tre*.