Perhaps you should try some spelling variations:
tdinh trung » trinh trung, tinh trung, trinh truong
dinh trung » sinh trung, dinh trong, kinh trung
cong ngang » cong nhan, cong quang, cong lang
ngang toan » nganh toan, dang toan, quang toan
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
toan cao » toan ban, toan tap
cho ho » cho hoc, cho hoa, cho he

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho ho manh - ((dinh trung) or (tdinh trung)) cua bang cong ngang toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ho manh - ((dinh trung) OR (tdinh trung)) cua bang cong ngang toan cao*.