Perhaps you should try some spelling variations:
cong tieng » trong tieng, cong chieng, vung tieng
khanh cham » hanh cham, khanh pham, thanh cham
phan cong » thanh cong
tieng han » tieng anh
dat khanh » van khanh, duy khanh
doc hieu » hoc thieu, hoc hien
han gian » dan gian, van gian, han giai
gian dat » gian dan, gian dac, giang day

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (toc thieu)) tinh - phan cong tieng han gian dat khanh cham~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) tinh - phan cong tieng han gian dat khanh cham.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (toc thieu)) tinh - phan cong tieng han gian dat khanh cham*.