Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
xa thanh » va thanh, ha thanh, ta thanh
thu dan » thuc dan, thu dang, thu ban
nang ma » tang ma, sang ma, nang cao
cam tuc » cam xuc, cam tu, nam thuc
dan ky » van 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 dan ky ((nang ma) or (nang x)) hoi. lieu va cam tuc xa thanh dai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu dan ky ((nang ma) OR (nang x)) hoi. lieu va cam tuc xa thanh dai cua tu.
• Adding a wildcard symbol may retrieve word variants: thu dan ky ((nang ma) or (nang x)) hoi. lieu va cam tuc xa thanh dai cua tu*.