Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
quyen cap » quyen cach, huyen cao, quyen con
cach thuc » anh thuc, cac thu
te thuong » tu thuong, thi thuong, yeu thuong
bang vat » bang va, dang vat, cang vat
co bang » cao bang, con bang, co ban
vat y » vat ly, vat _
tuyen » truyen

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tuyen tap) or (quyen cap)) cach thuc đe co bang vat y te thuong cong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tuyen tap) OR (quyen cap)) cach thuc đe co bang vat y te thuong cong.
• Adding a wildcard symbol may retrieve word variants: ((tuyen tap) or (quyen cap)) cach thuc đe co bang vat y te thuong cong*.