Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung dung » phuong dung, ung dung, thong dung
lieu tinh » trieu tinh, diep tinh, bien tinh
cua nhung » va nhung
tung cua » trung cua, tuong cua, dung cua
dung hoa » dung khoa, duong hoa, dung hoai
khoan va » doan va, khoa ma, toan va
khoa cam » khoan cam, khoa kham, khoa ma
ho lieu » so lieu, co lieu, ho kieu
nhan va » nhan tai, nhan dan, nhan tao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu tinh - thanh tung cua nhung dung hoa ((((khoan va) or (nhan va))) or (khoa cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - thanh tung cua nhung dung hoa ((((khoan va) OR (nhan va))) OR (khoa cam)).
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - thanh tung cua nhung dung hoa ((((khoan va) or (nhan va))) or (khoa cam))*.